Home / 228,947.24-343,419.18-71,175.40

Finding the Fourth Proportional to 228,947.24, 343,419.18 and 71,175.40

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Solution

The fourth proportional to 228,947.24, 343,419.18 and 71,175.40 is: 106,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,947.24 : 343,419.18 = 71,175.40 : x
  2. Step 2: Convert to fraction form
    228,947.24/343,419.18 = 71,175.40/x
  3. Step 3: Cross multiply
    228,947.24x = 343,419.18 × 71,175.40
  4. Step 4: Simplify right side
    228,947.24x = 24,442,997,504.17
  5. Step 5: Solve for x
    x = 24,442,997,504.17/228,947.24
  6. Step 6: Final answer
    x = 106,762.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.